Chain Cutter for Excavating Rock/Soil and Its Application

ABSTRACT

A chain cutter for excavating rock and/or soil has one or more chains and cutters fixed on the chains, such that the central line of the one or more chains can form a spatial curve. Adjacent returning cutters on the chain cutter non-excavating face are staggered in the lengthwise direction of the chains, and are in a mutually embedded arrangement in the widthwise direction, or adjacent returning cutters on the chain cutter non-excavating face are in a stacked arrangement in the lengthwise direction of the chains, i.e. the widths of the chain cutter excavating faces are greater than the widths of the non-excavating faces, such that a machine frame in an annular enclosed region of the chain cutter and a machine frame outside the enclosed region are connected together as one within the width range of the excavating faces.

TECHNICAL FIELD

The present invention relates to a chain blade for excavating rock/soil and its use, and belongs to the technical field of civil engineering foundation construction.

BACKGROUND TECHNOLOGY

Cutters with knives on the chains cannot achieve space curve traveling, and it is difficult to connect a frame of the chain blade in an annular enclosed area and the frame of the chain blade outside the annular enclosed area as a whole.

CONTENT OF THE INVENTION

The present invention proposes a chain blade for excavating rock/soil and its use, the purpose of which is to overcome the drawbacks of existing technology. The main advantage is that the center line of the chain is a space curve, which can achieve the flexible track arrangement of the space position, so that a frame of the chain blade in the annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of the excavation surface.

Technical Solution of the present Invention: A chain blade for excavating rock/soil is composed of a chain and cutters fixed to the chain, and the center line of the chain is a space curve.

The chain blade is a multi-row chain blade in a width direction when used. The cutters of adjacent returned chain blades used for a non-excavation surface are arranged in a staggered way in the length direction, and are arranged in an embedded way in the width direction, that is, the width of a rock/soil surface excavated by the multi-row chain blade is larger than the width of the non-excavation surface, so that a frame of the chain blade within an annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of the excavation surface.

The chain blade is a multi-row chain blade in a width direction when used. The adjacent returned chain blades used for a non-excavation surface are arranged in an overlapping way, that is, the width of a rock/soil surface excavated by the multi-row chain blade is larger than the width of the non-excavation surface, so that a frame of the chain blade within an annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of the excavation surface.

Advantages of the present invention: The center line of the chain is a space curve, which can achieve the flexible track arrangement of the space position, so that the frame of the chain blade in the annular enclosed area and the frame outside the enclosed area are connected as a whole within the width of the excavation surface.

SPECIFICATION OF ATTACHED DRAWINGS

FIG. 1 is a schematic structural diagram of chain blade 1, and is also a schematic structural diagram of chain 1-1 and cutter 1-2, and is also a schematic structural diagram of the universal joint of chain 1-1 that consists of a concave universal joint 1-1-1 and a convex universal joint 1-1-2, and is also a schematic structural diagram showing that the chain 1-1 achieves space bending;

FIG. 2 is a schematic diagram showing that the track center line of the chain blade 1 arranged in a staggered way forms an enclosed loop in the frame 2A;

FIG. 3 is an A direction view of FIG. 2, and is also a schematic structural diagram showing that the cutter 1-2 of the chain blade 1 used for the excavation surface is arranged in a staggered way in the chain's length direction;

FIG. 4 is a B-B view of FIG. 2, and is also a schematic structural diagram showing that the cutter 1-2 of the adjacent returned chain blade 1 are arranged in a staggered way in the chain's length direction and arranged in a mutually embedded way in the chain's width direction, and is also a schematic structural diagram showing that the double-row chain blades used for the non-excavation surface become close inwards along the arc track at the end;

FIG. 5 is a C-C view of FIG. 2, and is also a schematic structural diagram of the frame 2A-1 of the chain blade in the annular enclosed area and the frame 2A-2 of the chain blade outside the annular enclosed area;

FIG. 6 is a schematic structural diagram of the frame 2A after the chain blade 1 is removed from FIG. 2;

FIG. 7 is an A direction view of FIG. 6;

FIG. 8 is a B-B view of FIG. 6;

FIG. 9 is a C-C view of FIG. 6;

FIG. 10 is a schematic diagram showing that the track center line of the chain blade 1 arranged in an overlapping way forms a two-layer enclosed loop in the frame 2B;

FIG. 11 is an A direction view of FIG. 10, and is also a schematic structural diagram showing that the cutter 1-2 of the chain blade 1 used for the excavation surface is arranged in the chain 1-1's length direction;

FIG. 12 is a B-B view of FIG. 10, and is also a schematic structural diagram of the upper-layer returned chain blade of the chain blade 1 arranged in an overlapping way in the frame 2B;

FIG. 13 is a C-C view of FIG. 10, and is also a schematic structural diagram of the lower-layer returned chain blade of the chain blade 1 arranged in an overlapping way in the frame 2B;

FIG. 14 is a D-D view of FIG. 10, and is also a schematic structural diagram of the frame 2B-1 of the chain blade 1 in the annular enclosed area and the frame 2B-2 of the chain blade 1 outside the annular enclosed area;

FIG. 15 is a schematic structural diagram showing that the traveling track of the chain blade 1 is a circular arc;

FIG. 16 is a schematic structural diagram showing that the chain blade 1A is composed of two chains 1A-1 and a cutter 1A-2;

FIG. 17 is a schematic structural diagram showing that the chain blade 1B is composed of the chain 1B-1, the I-type cutter 1B-2, and the II-type cutter 1B-3, wherein the I-type cutter 1B-2 and the II-type cutter 1B-3 are arranged on different chain plates in a longitudinally staggered way;

In the figures, 1 is a chain blade for excavating rock/soil, which is composed of chain 1-1 and cutter 1-2; 1-1 is a chain constituting chain blade 1; 1A is a chain blade that has multiple chains in one cutter and used for excavating rock/soil and consists of two chains 1A-1 and a cutter 1A-2; 1B is a chain blade that has multiple different cutters in one chain and consists of chain 1B-1, I-type cutter 1B-2 and II-type cutter 1B-3; 1-1 is a chain constituting the chain blade 1; 1A-1 is a chain constituting the chain blade 1A; 1B-1 is a chain constituting the chain blade 1B; 1-1-1 is a concave universal joint constituting the chain 1-1; 1A-1-1 is a concave universal joint constituting the chain 1A-1; 1B-1-1 is a concave universal joint constituting the chain 1B-1; 1-1-2 is a convex universal joint constituting the chain 1-1; 1A-1-2 is a convex universal joint constituting the chain 1A-1; 1B-1-2 is a convex universal joint constituting the chain 1B-1; 1-2 is a cutter that is fixed on the chain 1-1 and used for excavating rack/soil; 1A-2 is a cutter that is fixed on chain 1A-1 and used for excavating rock/soil; 1B-2 is an I-type cutter that is fixed on the chain 1B-1 and used for excavating rack/soil; 1B-3 is an II-type cutter that is fixed on the chain 1B-1 and used for excavating rack/soil; 2 is a frame consisting of an internal frame 2-1 and an external frame 2-2; 2-1 is an internal frame of the chain blade in the annular enclosed area; 2-2 is an external frame of the chain blade outside the annular enclosed area; 2A is a frame where the cutter 1-2 of the chain blade 1 is arranged in a staggered way in the length direction of the chain used for the non-excavation surface and is arranged in a mutually embedded way in the width direction, and it is composed of the internal frame 2A-1 and the external frame 2A-2; 2A-1 an internal frame of the chain blade in the annular enclosed area when the cutter 1-2 is arranged in a staggered way in the length direction of the chain used for the non-excavation surface; 2A-2 is an external frame of the chain blade outside the annular enclosed area when the cutter 1-2 is arranged in a staggered way in the length direction of the chain used for the non-excavation surface; 2B is a frame when the adjacent returned chain blade 1 used for the non-excavation surface is arranged in an overlapping manner, and it is composed of the internal frame 2B-1 and the external frame 2B-2; 2B-1 is an internal frame of the chain blade in the annular enclosed area when the adjacent returned chain blade 1 used for the non-excavation surface is arranged in an overlapping manner; 2B-2 is an external frame of the chain blade outside the annular enclosed area when the adjacent returned chain blade 1 used for the non-excavation surface is arranged in an overlapping manner; and 3 is a chain wheel running the chain blade.

Specific Method of Implementation

A chain blade for excavating rock/soil is composed of a chain and a cutter fixed to the chain, and the center line of chain is a space curve.

The chain blade described is a multi-row chain blade in a width direction when used. The cutters of adjacent returned chain blades used for a non-excavation surface are arranged in a staggered way in the length direction, and are arranged in an embedded way in width direction, that is, the width of a rock/soil surface excavated by the multi-row chain blade is larger than the width of the non-excavation surface, so that a frame of the chain blade within the annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of the excavation surface.

The chain blade described is a multi-row chain blade in a width direction when used. The adjacent returned chain blades used for the non-excavation surface are arranged in an overlapping way, that is, the width of a rock/soil surface excavated by the multi-row chain blade is larger than the width of the non-excavation surface, so that a frame of the chain blade within an annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of an excavation surface.

The same cutter of the chain blade described is integrally connected with chain links of multiple chains to enhance the strength and rigidity of the chain blade.

The chain blade described has different cutters arranged on the same chain to meet different requirements.

The chain described includes a concave universal joint and a convex universal joint.

The present invention is further described below in combination with the attached drawings:

As shown in FIG. 1, the chain blade 1 used for excavating rock/soil includes a concave universal joint 1-1-1 and a convex universal joint 1-1-2. The rotation of concave and convex universal joints can enable chain blade 1 to rotate in the direction parallel to excavation surface, and the rotation between the chain 1-1 and the concave and convex universal joints can enable chain blade 1 to rotate in the direction perpendicular to excavation surface, thus the rotation of two perpendicular planes causes the center line of the traveling track for chain blade 1 to be a space curve;

As shown in FIG. 2-FIG. 5, the cutters 1-2 of adjacent returned chain blade 1 used for the non-excavation surface are arranged in a staggered way in the length direction of the chain 1-1, and the structure is arranged in an embedded way in the width direction, thus the width of non-excavation surface is less than that of frame 2A, so that the frame 2A-1 of the chain blade 1 within the annular enclosed area and the frame 2A-2 outside the enclosed area are connected as a whole within the width of the excavation surface.

As shown in FIG. 6-FIG. 9, the traveling track of the chain blades 1 used for the excavation surface of the frame 2A-1 within the annular enclosed area of the chain blade of the frame 2A is parallel, the width of the excavation surface is greater than or equal to that of the frame, and the traveling track of the chain blade 1 used for the non-excavation surface is large at both ends and narrowed in the middle, so the width of the non-excavation surface except for the two ends is smaller than that of the frame.

As shown in FIG. 10-FIG. 14, the adjacent returned chain blades 1 used for the non-excavation surface are arranged in an overlapping way, and a certain distance is left in the height direction between the adjacent returned chain blades 1, and the center line of the chain blades 1 track forms two closed loops as shown in FIG. 10; the two chain blades 1 used for the excavation surface are arranged in a parallel way, the excavation width is equal to the width of the frame 2B, as shown in FIG. 11; the traveling track of returned chain blades 1 is bent from the ends to the middle, and the middle of the track is arranged along the center line, as shown in FIG. 12 and FIG. 13, the overlapping arrangement of the returned chain blades 1 used for the non-excavation surface making the frame 2B-1 in the annular enclosed area of the chain blades and the frame 2B-2 outside the enclosed area connected as a whole within the width of the excavation surface, as shown in FIG. 14.

As shown in FIG. 15, the traveling track of the chain blade 1 is a semi-circular arc, and two chain blades 1 form a full circular structure.

As shown in FIG. 16, the chain blade 1A is a chain blade used for excavating rock/soil, which is formed by two chains 1A-1 on the same cutter 1A-2, the tensile load of the chain blade being increased and the adaptability being strong.

As shown in FIG. 17, the chain blade 1B is a chain blade with various different cutters (I-type cutter 1B-2 and II-type cutter 1B-3) on the same chain, different cutters are arranged in a line with spaces on the same link, the same kinds of cutters on the adjacent chain links are arranged in a longitudinal staggered way, the section of chain blade is shaped like a tooth, excavating rock/soil at multiple points and small areas, which can reduce the tensile load of the chain blade, and the various geological conditions being able to be adapted to by changing the cutters and the arrangement of the cutters. 

1. A chain blade for excavating rock and/or soil, the chain blade comprising: a chain having a center line; and cutters fixed to the chain, wherein the chain and cutters are adapted to allow the chain blade to bend such that the center line of the chain forms a space curve.
 2. A chain blade according to claim 1, wherein the chain blade is a multi-row chain blade in a width direction when used, and wherein the cutters of adjacent returned chain blades used for a non-excavation surface are arranged in a staggered way in a length direction, and are arranged in an embedded way in the width direction, such that the width of a rock/soil surface excavated by the multi-row chain blade is larger than the width of the non-excavation surface, and wherein a frame of the chain blade within an annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of the excavation surface.
 3. A chain blade according to claim 1, wherein the chain blade is a multi-row chain blade in a width direction when used, and wherein the adjacent returned chain blades used for a non-excavation surface are arranged in an overlapping way, such that the width of a rock/soil surface excavated by the multi-row chain blade is larger than the width of the non-excavation surface, and wherein a frame of the chain blade within an annular enclosed area and a frame outside the enclosed area are connected as a whole within the width of the excavation surface.
 4. A chain blade according to claim 1, wherein at least one of the cutters of the chain blade is integrally connected with chain links of multiple chains to enhance the strength and rigidity of the chain blade.
 5. A chain blade according to claim 1, wherein the chain blade comprises different types of cutters arranged on at least one of the chains to meet different requirements corresponding to the different respective types of cutters.
 6. A chain blade according to claim 1, wherein the chain comprises a concave universal joint and a convex universal joint. 